WO1990003695A3 - Procede et dispositif pour convertir le signal de balayage d'un signal d'entree analogique - Google Patents
Procede et dispositif pour convertir le signal de balayage d'un signal d'entree analogique Download PDFInfo
- Publication number
- WO1990003695A3 WO1990003695A3 PCT/EP1989/001127 EP8901127W WO9003695A3 WO 1990003695 A3 WO1990003695 A3 WO 1990003695A3 EP 8901127 W EP8901127 W EP 8901127W WO 9003695 A3 WO9003695 A3 WO 9003695A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- value
- scanning
- converting
- scanning signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
- H03M1/181—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
- H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps
- H03M1/164—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps the steps being performed sequentially in series-connected stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/34—Analogue value compared with reference values
- H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
- H03M1/361—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE58907474T DE58907474D1 (de) | 1988-09-29 | 1989-09-26 | Verfahren und vorrichtung zur wandlung des abtastsignals eines analogen eingangssignals. |
EP89910865A EP0436603B1 (fr) | 1988-09-29 | 1989-09-26 | Procede et dispositif pour convertir le signal de balayage d'un signal d'entree analogique |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP88309066A EP0360936A1 (fr) | 1988-09-29 | 1988-09-29 | Méthode de conversion d'un signal analogique d'entrée échantillonné |
EP88309066.4 | 1988-09-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1990003695A2 WO1990003695A2 (fr) | 1990-04-05 |
WO1990003695A3 true WO1990003695A3 (fr) | 1990-09-07 |
Family
ID=8200230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1989/001127 WO1990003695A2 (fr) | 1988-09-29 | 1989-09-26 | Procede et dispositif pour convertir le signal de balayage d'un signal d'entree analogique |
Country Status (4)
Country | Link |
---|---|
US (1) | US5148169A (fr) |
EP (2) | EP0360936A1 (fr) |
DE (1) | DE58907474D1 (fr) |
WO (1) | WO1990003695A2 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0901058A1 (fr) * | 1991-10-30 | 1999-03-10 | Harris Corporation | Miroir de courant à deux étages |
US7492297B2 (en) * | 2006-08-11 | 2009-02-17 | Realtek Semiconductor Corp. | Digital-to-analog converter and method thereof |
US7545295B2 (en) * | 2007-09-14 | 2009-06-09 | Realtek Semiconductor Corp. | Self-calibrating digital-to-analog converter and method thereof |
CN107210752B (zh) * | 2015-01-22 | 2020-12-25 | 约翰·霍华德·拉格 | 多阶通道数模转换器 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE958197C (de) * | 1952-04-18 | 1957-02-14 | Dr Siegfried Skraup | Verfahren zur Herstellung von 2, 4-Diaminochinazolin |
GB806772A (en) * | 1956-03-29 | 1958-12-31 | Wellcome Found | Diaminoquinazolines and method of preparing |
CH457460A (fr) * | 1966-06-20 | 1968-06-15 | Parke Davis & Co | Procédé de préparation de quinazolines |
US3635979A (en) * | 1969-09-29 | 1972-01-18 | Pfizer | Certain 6- and/or 7-alkoxy-substituted-2 4-bis(disubstituted amino) quinazolines |
GB1390014A (en) * | 1971-05-07 | 1975-04-09 | Koninklijke Pharma Fab Nv | Process for the preparation of carbocyclic fused pyrimidine derivatives |
US3956495A (en) * | 1973-10-30 | 1976-05-11 | Eli Lilly And Company | 2,4-Diaminoquinazolines as antithrombotic agents |
US4098788A (en) * | 1977-06-20 | 1978-07-04 | Bristol-Myers Company | Process for preparing quinazolines |
EP0028473A1 (fr) * | 1979-11-01 | 1981-05-13 | Pfizer Inc. | Diamino-2,4 quinazolines substituées par un atome de chlore ou un groupe alkoxy et compositions pharmaceutiques les contenant |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3581304A (en) * | 1967-05-16 | 1971-05-25 | Singer General Precision | Analog-to-digital cyclic forward feed successive approximation conversion equipment |
DE2026643A1 (de) * | 1970-06-01 | 1971-12-09 | Licentia Gmbh | Anordnung zur Analog-Digital-Umsetzung |
US3710377A (en) * | 1971-01-11 | 1973-01-09 | Westinghouse Electric Corp | High speed an analog-to-digital converter |
JPS6058629B2 (ja) * | 1976-09-27 | 1985-12-20 | ソニー株式会社 | 映像信号のアナログ−デジタル変換回路 |
US4544917A (en) * | 1982-09-16 | 1985-10-01 | Westinghouse Electric Corp. | A/D converter having digitally controlled subranging and self-alignment apparatus for use therein |
US4686511A (en) * | 1985-08-23 | 1987-08-11 | Burr-Brown Corporation | Subranging analog-to-digital converter with FET isolation circuit between subtraction node and LSB encoder |
JP2690905B2 (ja) * | 1987-08-28 | 1997-12-17 | 株式会社日立製作所 | 直並列形ad変換器 |
JPS6467034A (en) * | 1987-09-08 | 1989-03-13 | Toshiba Corp | Serial-parallel type a/d converting device |
-
1988
- 1988-09-29 EP EP88309066A patent/EP0360936A1/fr not_active Withdrawn
-
1989
- 1989-09-26 EP EP89910865A patent/EP0436603B1/fr not_active Expired - Lifetime
- 1989-09-26 WO PCT/EP1989/001127 patent/WO1990003695A2/fr active IP Right Grant
- 1989-09-26 DE DE58907474T patent/DE58907474D1/de not_active Expired - Fee Related
-
1991
- 1991-05-20 US US07/663,844 patent/US5148169A/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE958197C (de) * | 1952-04-18 | 1957-02-14 | Dr Siegfried Skraup | Verfahren zur Herstellung von 2, 4-Diaminochinazolin |
GB806772A (en) * | 1956-03-29 | 1958-12-31 | Wellcome Found | Diaminoquinazolines and method of preparing |
CH457460A (fr) * | 1966-06-20 | 1968-06-15 | Parke Davis & Co | Procédé de préparation de quinazolines |
US3635979A (en) * | 1969-09-29 | 1972-01-18 | Pfizer | Certain 6- and/or 7-alkoxy-substituted-2 4-bis(disubstituted amino) quinazolines |
GB1390014A (en) * | 1971-05-07 | 1975-04-09 | Koninklijke Pharma Fab Nv | Process for the preparation of carbocyclic fused pyrimidine derivatives |
US3956495A (en) * | 1973-10-30 | 1976-05-11 | Eli Lilly And Company | 2,4-Diaminoquinazolines as antithrombotic agents |
US4098788A (en) * | 1977-06-20 | 1978-07-04 | Bristol-Myers Company | Process for preparing quinazolines |
EP0028473A1 (fr) * | 1979-11-01 | 1981-05-13 | Pfizer Inc. | Diamino-2,4 quinazolines substituées par un atome de chlore ou un groupe alkoxy et compositions pharmaceutiques les contenant |
Non-Patent Citations (1)
Title |
---|
Electronic Engineering, Band 57, Nr. 704, August 1985, (London, GB), L.M. RADHAKRISHNAN: "Two 8 Bit DAC's Make a 12 Bit DAC", seite 30 siehe das ganze dokument * |
Also Published As
Publication number | Publication date |
---|---|
EP0360936A1 (fr) | 1990-04-04 |
EP0436603B1 (fr) | 1994-04-13 |
DE58907474D1 (de) | 1994-05-19 |
EP0436603A1 (fr) | 1991-07-17 |
US5148169A (en) | 1992-09-15 |
WO1990003695A2 (fr) | 1990-04-05 |
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